CN217030013U

CN217030013U - Axial-flow type cut-off valve

Info

Publication number: CN217030013U
Application number: CN202220989754.4U
Authority: CN
Inventors: 杨波; 王涛
Original assignee: Chongqing Jiuqing Instrument Co ltd
Current assignee: Chongqing Jiuqing Instrument Co ltd
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-07-22
Anticipated expiration: 2032-04-27

Abstract

The utility model discloses an axial-flow type cut-off valve which comprises a connecting pipe, wherein an air inlet pipe is fixedly connected to the left side of the connecting pipe, a sealing mechanism is arranged on the right side of the connecting pipe, a processing pipe is arranged on the right side of the sealing mechanism, an air outlet pipe is fixedly connected to the right side of the processing pipe, and cutting mechanisms are arranged on the outer side and the inner side of the processing pipe. In the utility model, the screw rod and the gas detection component are arranged. Cutting off piece, L template, fixed plate and limiting plate, the staff of being convenient for detects whether there is gas leakage when cutting off to remind the staff through the warning light, the staff in time maintains of being convenient for.

Description

Axial-flow type cut-off valve

Technical Field

The utility model relates to the field of shut-off valves, in particular to an axial-flow shut-off valve.

Background

The cut-off valve is one kind of executing mechanism in automatic system and consists of multiple spring pneumatic film executing mechanism or floating piston executing mechanism and regulating valve. The cut-off valve has wide application range and can be used for cutting off coal gas, combustion-supporting air, cold air, smoke and the like.

When the cut-off valve is used for a long time, the cut-off effect is poor, gas leakage occurs, potential safety hazards exist, when gas leaks, workers cannot find the gas leakage timely, and the cut-off valve is used for a long time, the sealing performance of the joint of the cut-off valve can be lowered, so that the gas leaks out from the joint.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an axial-flow type cut-off valve.

In order to achieve the purpose, the utility model adopts the following technical scheme: an axial-flow type cut-off valve comprises a connecting pipe, wherein the left side of the connecting pipe is fixedly connected with an air inlet pipe, the right side of the connecting pipe is provided with a sealing mechanism, the right side of the sealing mechanism is provided with a processing pipe, the right side of the processing pipe is fixedly connected with an air outlet pipe, and the outer side and the inner part of the processing pipe are provided with cutting-off mechanisms;

the sealing mechanism consists of fixing rings, fixing blocks and mounting rings, the fixing rings are fixedly connected to one sides, close to the sealing mechanism, of the connecting pipe and the processing pipe, the mounting rings are arranged on the outer sides of the two fixing rings, and the fixing blocks are fixedly connected to the outer sides of the mounting rings;

the cutting mechanism comprises a fixed pipe, a connecting box, a stabilizing plate, a screw rod, a gas detection assembly and a cutting block, wherein the fixed pipe is fixedly connected to the outer side of the processing pipe, the connecting box is fixedly connected to the upper side of the fixed pipe, the stabilizing plate is fixedly connected to the inner wall of the connecting box, the screw rod is in threaded connection with the upper side of the connecting box, the gas detection assembly is fixedly connected to the inner wall of the connecting box, and the cutting block is rotatably connected to the lower end of the screw rod.

As a further description of the above technical solution:

and a screw is arranged between the two fixing blocks.

As a further description of the above technical solution:

and the inner side of the mounting ring is fixedly connected with a sealing gasket.

As a further description of the above technical solution:

the inner wall of the bottom side of the processing pipe is fixedly connected with a fixing plate, and the inner wall of the top of the processing pipe is fixedly connected with an L-shaped plate.

As a further description of the above technical solution:

one side of the fixing plate, which is close to the L-shaped plate, is fixedly close to a limiting plate, and the upper side of the limiting plate is fixedly connected with a pressure sensor.

As a further description of the above technical solution:

the upper side of the screw is fixedly connected with a turntable.

As a further description of the above technical solution:

the screw rod is in threaded connection with the stabilizing plate.

As a further description of the above technical solution:

and the outer side of the connecting box is fixedly connected with an alarm lamp.

The utility model has the following beneficial effects:

1. compared with the prior art, the axial flow type cut-off valve is provided with the screw and the gas detection assembly. Cutting off piece, L template, fixed plate and limiting plate, the staff of being convenient for detects whether there is gas leakage when cutting off to remind the staff through the warning light, the staff of being convenient for in time maintains.

2. Compared with the prior art, this axial-flow type trip valve through being provided with solid fixed ring, collar, fixed block and sealed the pad, is convenient for carry out sealed the processing to the junction between connecting pipe and the processing pipe, avoids coal gas to leak away from the junction, increases the leakproofness of trip valve.

Drawings

Fig. 1 is an overall three-dimensional structural view of an axial flow type cut-off valve provided by the utility model;

fig. 2 is an internal structural view of an axial-flow type cut-off valve provided by the utility model;

FIG. 3 is a top view of an axial flow trip valve according to the present invention;

fig. 4 is a side view of an axial flow type shutoff valve provided by the utility model.

Illustration of the drawings:

1. a connecting pipe; 2. an air inlet pipe; 3. a sealing mechanism; 301. a fixing ring; 302. a fixed block; 303. a screw; 304. a mounting ring; 305. a gasket; 4. treating the tube; 5. an air outlet pipe; 6. a cutting mechanism; 601. a fixed tube; 602. a connecting box; 603. a stabilizing plate; 604. a screw; 605. a turntable; 606. a gas detection component; 607. cutting off the block; 608. an L-shaped plate; 609. a fixing plate; 610. a limiting plate; 611. a pressure sensor; 612. an alarm light.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment provided by the present invention: the utility model provides an axial-flow type trip valve, including connecting pipe 1, the left side fixedly connected with intake pipe 2 of connecting pipe 1, the right side of connecting pipe 1 is provided with sealing mechanism 3, sealing mechanism 3's right side is provided with handles pipe 4, the right side fixedly connected with outlet duct 5 of handling pipe 4, the outside and the inside of handling pipe 4 are provided with shutdown mechanism 6, when using, the staff at first passes through sealing mechanism 3, be convenient for carry out sealing process to connecting pipe 1 and the junction of handling pipe 4, avoid coal gas to leak out from the junction, then pass through shutdown mechanism 6, realize the function of cutting off coal gas, and in time remind the staff when coal gas leaks.

The sealing mechanism 3 is composed of a fixing ring 301, fixing blocks 302 and a mounting ring 304, the fixing ring 301 is fixedly connected to one side, close to the sealing mechanism 3, of the connecting pipe 1 and the treatment pipe 4, the mounting ring 304 is arranged on the outer sides of the two fixing rings 301, the fixing blocks 302 are fixedly connected to the outer side of the mounting ring 304, screws 303 are arranged between the two fixing blocks 302, a sealing gasket 305 is fixedly connected to the inner side of the mounting ring 304, the mounting ring 304 and the sealing gasket 305 are fixed by the screws 303 on the outer side of the fixing rings 301, and the two fixing rings 301 are connected under the sealing effect of the sealing gasket 305 and the mounting ring 304, so that gas is prevented from leaking out of a joint.

The cutting mechanism 6 comprises a fixed pipe 601, a connecting box 602, a stable plate 603, a screw 604, a gas detection component 606 and a cutting block 607, the fixed pipe 601 is fixedly connected with the outer side of the processing pipe 4, the connecting box 602 is fixedly connected with the upper side of the fixed pipe 601, the stable plate 603 is fixedly connected with the inner wall of the connecting box 602, the screw 604 is in threaded connection with the upper side of the connecting box 602, the screw 604 is in threaded connection with the stable plate 603, the upper side of the screw 604 is fixedly connected with a turntable 605, the gas detection component 606 is fixedly connected with the inner wall of the connecting box 602, the cutting block 607 is rotatably connected with the lower end of the screw 604, the outer side of the connecting box 602 is fixedly connected with an alarm lamp 612, one side of the fixed plate 609 close to the L-shaped plate 608 is fixedly close to the limiting plate 610, the upper side of the limiting plate 610 is fixedly connected with a pressure sensor 611, the inner wall of the bottom side of the processing pipe 4 is fixedly connected with a fixed plate 609, the inner wall of the top of the processing pipe 4 is fixedly connected with the L-shaped plate 608, when the gas leakage alarm device is used, a worker firstly rotates the rotary table 605, the rotary table 605 drives the screw rod 604 to rotate, the screw rod 604 drives the cutting block 607 to move, an opening is formed between the fixing plate 609 and the L-shaped plate 608, the cutting block 607 moves to block the opening, so that gas is cut off, when gas leaks, the cutting block 607 moves to contact the pressure sensor 611, so that the gas detection assembly 606 is started, and when gas is detected, the alarm lamp 612 is started, so that the gas leakage alarm device is convenient for reminding the worker of gas leakage.

The working principle is as follows: when the gas shutoff device is used, a worker firstly installs the shutoff valve on a pipeline to be controlled through the gas inlet pipe 2 and the gas outlet pipe 5, when the gas shutoff device is normally used, the joint between the two fixing rings 301 is sealed through the mounting ring 304 and the sealing gasket 305, then the two fixing blocks 302 are fixed through the fixing blocks 302 and the screws 303, so that the connecting pipe 1 and the processing pipe 4 are conveniently installed together, when the gas is required to be shut down, the worker rotates the turntable 605, the turntable 605 drives the screw 604 to rotate and move, the screw 604 drives the shutoff block 607 to move, under the action of the L-shaped plate 608 and the fixing plate 609, the shutoff block 607 blocks the passage of the processing pipe 4 to realize the shutoff function, when the shutoff block 607 touches the pressure sensor 611, the pressure sensor 611 sends a starting signal to the gas detection component 606, the gas detection component 606 can detect the existence of the gas, when the gas is detected, the gas detection component 606 sends a start signal to the upper alarm lamp 612, so that a worker can be reminded of gas leakage inside the cut-off valve conveniently.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An axial-flow type trip valve, includes connecting pipe (1), its characterized in that: an air inlet pipe (2) is fixedly connected to the left side of the connecting pipe (1), a sealing mechanism (3) is arranged on the right side of the connecting pipe (1), a treatment pipe (4) is arranged on the right side of the sealing mechanism (3), an air outlet pipe (5) is fixedly connected to the right side of the treatment pipe (4), and cutting mechanisms (6) are arranged on the outer side and the inner portion of the treatment pipe (4);

the sealing mechanism (3) consists of fixing rings (301), fixing blocks (302) and mounting rings (304), the fixing rings (301) are fixedly connected to one sides, close to the sealing mechanism (3), of the connecting pipe (1) and the treatment pipe (4), the mounting rings (304) are arranged on the outer sides of the two fixing rings (301), and the fixing blocks (302) are fixedly connected to the outer sides of the mounting rings (304);

shutdown mechanism (6) comprise solid fixed pipe (601), connecting box (602), firm board (603), screw rod (604), coal gas determine module (606) and cut off piece (607), gu fixed pipe (601) fixed connection is in the outside of handling pipe (4), connecting box (602) fixed connection is at the upside of solid fixed pipe (601), firm board (603) fixed connection is at the inner wall of connecting box (602), screw rod (604) threaded connection is at the upside of connecting box (602), coal gas determine module (606) fixed connection is at the inner wall of connecting box (602), cut off piece (607) rotates the lower extreme of connection at screw rod (604).

2. An axial flow shut off valve according to claim 1 wherein: and a screw (303) is arranged between the two fixing blocks (302).

3. An axial flow shut-off valve as defined in claim 1 wherein: and a sealing gasket (305) is fixedly connected to the inner side of the mounting ring (304).

4. An axial flow shut-off valve as defined in claim 1 wherein: the inner wall of the bottom side of the treatment pipe (4) is fixedly connected with a fixing plate (609), and the inner wall of the top of the treatment pipe (4) is fixedly connected with an L-shaped plate (608).

5. An axial flow shut-off valve according to claim 4 wherein: one side of the fixing plate (609) close to the L-shaped plate (608) is fixedly close to a limiting plate (610), and the upper side of the limiting plate (610) is fixedly connected with a pressure sensor (611).

6. An axial flow shut-off valve as defined in claim 1 wherein: the upper side of the screw rod (604) is fixedly connected with a rotary disc (605).

7. An axial flow shut off valve according to claim 1 wherein: the screw (604) is in threaded connection with the stabilizing plate (603).

8. An axial flow shut off valve according to claim 1 wherein: and an alarm lamp (612) is fixedly connected to the outer side of the connecting box (602).